on *:TEXT:!accept*:#pca_clan: {    
  if ($nick isop $chan || $nick ishop $chan) { 
    writeini whitelist.ini ADRESSES $address($2,2) $2  
    /notice $nick $2 has been added to my whitelist 
    /mode $chan +v $2 
  } 
} 
on *:join:#pca_clan: { 
  if ($readini(whitelist.ini,ADRESSES,$address($nick,2))) { 
    /mode $chan +v $nick 
    /msg $chan 9 $nick was found in my whitelist Welcome back $nick
  } 
}

this is the error im getting after adding a few ppl
 /writeini: insufficient parameters (line 3, script27.ini)